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Invasion (cancer) Histopathology of an invasive carcinoma of no special type of the breast. The presence of irregular tumor nests in fatty tissue at right in image confirms the invasive nature. Invasion is the process by which cancer cells directly extend and penetrate into neighboring tissues in cancer. [1] It is generally distinguished from ...
Metastasis is a pathogenic agent's spread from an initial or primary site to a different or secondary site within the host's body; [1] the term is typically used when referring to metastasis by a cancerous tumor. [2] The newly pathological sites, then, are metastases (mets). [3][4] It is generally distinguished from cancer invasion, which is ...
A sarcoma is a malignant tumor, a type of cancer that arises from cells of mesenchymal (connective tissue) origin. [1] [2] Connective tissue is a broad term that includes bone, cartilage, muscle, fat, vascular, or other structural tissues, and sarcomas can arise in any of these types of tissues.
Spindle cell sarcoma. Spindle cell sarcoma is a type of connective tissue cancer. The tumors generally begin in layers of connective tissue, as found under the skin, between muscles, and surrounding organs, and will generally start as a small, inflamed lump, which grows in size. At first, the lump is, small in size, as the tumor exists in stage ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [ 2 ][ 7 ] These contrast with benign tumors, which do not spread. [ 7 ] Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. [ 1 ]
The ability to invade surrounding tissue and metastasise is a hallmark of cancer. The hallmarks of cancer were originally six biological capabilities acquired during the multistep development of human tumors and have since been increased to eight capabilities and two enabling capabilities. The idea was coined by Douglas Hanahan and Robert ...
A soft-tissue sarcoma is often a painless mass that grows slowly over months or years. They may be superficial or deep-seated. Any such unexplained mass must be diagnosed by biopsy. [2] Treatment may include surgery, radiotherapy, chemotherapy, and targeted drug therapy. [3] Bone sarcomas are the other class of sarcomas.
The white in the bladder is contrast. Bladder cancer is any of several types of cancer arising from the tissues of the urinary bladder. [1] Symptoms include blood in the urine, pain with urination, and low back pain. [1] It is caused when epithelial cells that line the bladder become malignant.